<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>登录操作</title>
</head>
<body>
<h1>登录页面</h1>
<p th:text="${msg}" th:bgcolor="red"></p>
<form th:action="@{/login}">
    <p>用户名<input type="text" name="username"></p>
    <p>密码<input type="text" name="password"></p>
    <p><input type="submit"></p>
</form>

</body>
</html>